Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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at a large factory, the boxes of cereal are marked 32 oz. the actual am…
\(2.56\%\)
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iq scores have roughly a normal distribution with a mean, \\( \\mu = 98…
\(0.8980\)
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find the area of the shaded region under the standard normal distributi…
\(0.0366\)
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find the area of the shaded region under the standard normal distributi…
\(0.5160\)
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one year, the sat scores had a mean of 1023 and a standard deviation of…
A. What is Mary's z - score? \(6.74\) B. What is Steve's z - score? \(2.86\) C. Who did better? Mary
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the birth weights of newborns at a certain hospital have a mean of 7.3 …
\(9.7\) lbs
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the number of potholes in any given 1 mile stretch of freeway pavement …
$0.15\%$
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in a mid - size company, the distribution of the number of phone calls …
$68$
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within a farewell to arms, what would be the best definition of the wor…
For the first question: C. A military officer with a low rank or position. For the second question: A. All responses could be correct.
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read the verdict of the court in the case of texas v. johnson. the gove…
C. Just because an idea is offensive does not mean it can be prohibited.
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question 2 consider the following normal distribution graph: what is th…
The mean $\mu = 36$ and the standard deviation $\sigma = 12$.
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read this paragraph from the dark game. another thing that changed very…
During the Civil War, intelligence was gathered in the same ways it had been gathered in previous wars.
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the practice of selective incorporation means that the bill of rights w…
D. sometimes be applied to the states by the Court.
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historically, scores on the mathematical ideas final exam have been nor…
The second (middle) distribution labeled "Distribution of Scores" is the correct one.
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what can a reader infer about hemingways writing philosophy from the fo…
A. He deliberately chose to keep his writing simple so that the reader can infer meaning.
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historically, scores on the mathematical ideas final exam have been nor…
The graph on the right is the correctly labeled graph of the distribution of final exam scores.
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you buy a lottery ticket to a lottery that costs $10 per ticket. there …
$0$
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a company wants to evaluate its attrition rate, in other words, how lon…
a) \(P(4) = 0.08\) b) \(0.59\) c) \(0.17\) d) \(0.12\) e) \(\mu=2.46\)
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choose the most apt description of expected value. the median of a rand…
The long - term average outcome of an experiment.
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this table gives approximate probabilities for scoring 0, 1, 2, 3, or 4…
The sum of probabilities is \(1\), the mean is \(0.56\), and the standard deviation is \(1.01\)
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the table lists how poverty level income cutoffs (in dollars) for a fam…
11613
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a local bakery has determined a probability distribution for the number…
- Probability of selling \(15\) cheesecakes: \(0.42\) - Probability of selling at most \(10\) cheesecakes: \(0.47\) - Probability of selling at least \(10\) cheesecakes: \(0.73\) …
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the table lists how poverty level income cutoffs (in dollars) for a fam…
\(12051\)
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if we choose 7 people at random from a population that has 60% democrat…
A. \(0.8413\) B. \(0.028\) C. \(0.7102\)
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there are ten bird baths in a park. on the first day of spring, the bir…
\(4\)
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if a number is chosen randomly from the set of numbers {1, 2, 3, 4, ...…
\(\frac{6}{13}\)
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select the correct histogram for the probability distribution:
The first histogram (the one on the left) is the correct probability histogram for the given probability distribution.
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for the experiment of rolling an ordinary pair of dice, find the probab…
\(\frac{2}{3}\)
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within the awakening, what is the best definition for the word \efface\…
- For the first question: a) To act modestly or inconspicuously - For the second question: a) A certain behavior or a way of thought that is unique to a particular person
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the rational expression \\frac{130x}{100 - x} describes the cost, in mi…
a. When \(x = 40\), it costs \(\$86.67\) million; when \(x = 70\), it costs \(\$303.33\) million; when \(x = 90\), it costs \(\$1170\) million. b. The rational expression is undef…
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for the experiment of drawing a single card from a standard 52 - card d…
\(\frac{11}{26}\)
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given ( p(a)=0.23 ) and ( p(b)=0.33 ), do the following. a) if ( a ) an…
a) \(0.56\) b) \(0.46\)
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for the experiment of drawing a single card from a standard 52 - card d…
The odds in favor of the event of the card being a jack or an ace are \(2\) to \(11\).
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¿qué imagen gráfica muestra los datos dados en la tabla? plazas de esta…
The second option (the one with Canal Street having 8 cars, Kent Street 10 cars, and Hill Street 2 cars) is the correct graphical image.
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for the experiment of drawing a single card from a standard 52 - card d…
\(\frac{2}{13}\)
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for the experiment of rolling a single fair die, find the probability t…
\(1\)
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a single die is rolled one time. find the probability of rolling a numb…
\(\frac{2}{3}\)
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what is most closely the meaning of fictitious as it appears in the pas…
d) Made - up
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el sr. rouse pidió a sus alumnos de tercer grado que votaran por la mas…
For the first question: \(8\) For the second question: \(1\)
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question 7 (5 points) listen within the awakening, what is the best def…
B. Weariness or a lack of energy
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a single, six - sided die is rolled. find the probability of rolling an…
\(\frac{2}{3}\)
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for the experiment of rolling a single fair die, find the probability o…
\(\frac{2}{3}\)
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for the experiment of rolling a single fair die, find the probability o…
\(\frac{1}{2}\)
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give the correct numerical response. if the probability of an event e i…
\(\frac{1}{3}\)
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a formula that approximates the dosage of a drug prescribed for childre…
\(\frac{2D}{21}\). This means that the difference in dosage between a 9 - year - old and a 6 - year - old child is \(\frac{2}{21}\) of the adult dosage \(D\).
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el gráfico de barras muestra algunos deportes favoritos de los estudian…
El doble de estudiantes de la clase1votó por el baloncesto tanto como por el atletismo.
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open - ended question weve used the word \listo\ in class before. i oft…
Ready
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(0:44 - 0:51) what does \di\ mean? one two three four
two
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¿qué imagen gráfica muestra los datos dados en la tabla? libro leído en…
The first image (the one on the left)
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for the histogram on the right determine whether the mean is greater th…
C. \(\bar{x}<M\) because the histogram is skewed left.
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the following data represent the high - temperature distribution for a …
(a) \(\mu = 80.2\), \(\sigma=8.2\) (b) Yes, the frequency histogram of the data is bell - shaped. (c) \(95\%\) of days in the month will be between \(63.8\) and \(96.6\)
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recently, a random sample of 13 - 18 year olds was asked, \how much do …
The sample mean amount of savings is \(\$226\). The sample standard deviation is \(\$219\)
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find the sample variance and standard deviation. 5, 47, 14, 50, 34, 25,…
A. \(s^{2}=182.68\) A. \(s = 13.5\)
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1. determine whether the random variable is discrete or continuous. in …
\(p = 0.26\)
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an insurance company crashed four cars of the same model at 5 miles per…
- Mean: A. The mean cost of repair is $\$384.75$. - Median: A. The median cost of repair is $\$422.5$. - Mode: B. The mode does not exist.
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rosa bonheur - for the love of animals and art rosa bonheur - for the l…
by creating a tone of admiration
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(continued...) answer the questions below based on the passage titled: …
C. The paragraph contrasts the construction materials and architectural styles of igloos and traditional homes, highlighting their differences.
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question at a sample size of 30, you have a 95% confidence level that t…
The confidence interval will decrease.
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3. in paragraph 3, the author explains the reasons for living in igloos…
D. They were necessary to endure extreme cold and due to the lack of other building materials
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the following data represent the high - temperature distribution for a …
(a) \(\mu\approx79.3\), \(\sigma\approx7.6\) (b) Yes, the frequency histogram of the data is bell - shaped. (c) According to the empirical rule, \(95\%\) of days in the month will…
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refer to the venn diagram for the following questions. what would best …
positive integers less than 10
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herman recorded the weights of 7 of his classmates pets. he recorded: 1…
\(2.6\)
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the westford soup company recorded the number of rotten tomatoes in eac…
3
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name three careers that fall under the transportation, distribution, an…
Ship captain, pilot, bus driver.
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what is the mode? biggest - smallest # happening the most the middle # …
# happening the most
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dan scored an 87 on his math test. the scores of his class are normally…
0.5
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what is the area of the shaded region under the normal curve? 1 0.95 0.…
\(0.997\)
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what is the first thing you should do before finding the median? look f…
Put numbers in order from least to greatest.
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identify the outlier in the set of data, if it exists: 92, 88, 106, 109…
The outlier is \(10\)
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find the median of the data set: 18, 19, 17, 14, 20, 20, 15, 21
\(18.5\)
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which of the following statements about measures of validity is true? a…
A. Statistics, survey research, and scientific data can contain bias.
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what is the mean of the data set: 8.9, 9.4, 8.6, 9.1
\(9\)
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a veterinarian weighed a litter of newborn puppies. puppies weights (g)…
The second box - plot represents the data.
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science test scores what is the median of the test scores?
86
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last summer, winkys waterpark kept track of the number of park visitors…
\(225\)
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a company is considering a new marketing plan that will cost $600,000. …
D. \(\$344,000\)
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in many state lotteries, you can pay $0.50 for a single lottery ticket …
C. $\$0.35$
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which of the following is the best definition of rhetoric? a. rhetoric …
A. Rhetoric is the art of using language to communicate effectively and persuasively.
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2) which of the following cannot be a density curve? check all that app…
D.
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in the data set below, what is the interquartile range? 17 25 27 39 55 …
51
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the king of the belgians had called upon us to come to his aid. had not…
A. "French and British Armies might well at the outset have saved not only Belgium but perhaps even Poland."
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1) which of the following are valid probability distributions for a dis…
A. \(0,0,0,0,0,0,0,1\), B. \(\frac{2}{3},\frac{2}{9},\frac{2}{27},\frac{2}{81},\frac{2}{243},\cdots\), D. \(\frac{1}{3},\frac{1}{15},\frac{1}{10},\frac{5}{12},\frac{1}{12}\), E. \…
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random variables you collected the data for the lateness of a local bus…
1.7
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random variables you just found that the mean of this discrete random v…
3.33
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which of the following scenarios would utilize traditional rhetoric as …
B. a speech by a classmate who is running for student body president
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construct a scatter plot. state if there appears to be a positive corre…
No correlation.
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construct a scatter plot. state if there appears to be a positive corre…
No correlation.
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the mean is also called the expected value. if you rolled the lopsided …
\(2.5\)
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current attempt in progress assume you are shooting at a target. all of…
reliability
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current attempt in progress joe happily claims to you that he scored th…
He would have scored 100, which would have been in the center of the distribution.
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bell ringer 1. archetype 2. characterization 3. theme 4. inference 5. f…
1. a. A universal character type or pattern (hero, villain, mentor). 2. f. How an author develops a character (direct description or actions/words). 3. d. The central idea or mess…
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bell ringer 1. archetype 2. characterization 3. theme 4. inference 5. f…
1. Mentor 2. Hero 3. Trickster 4. Ally 5. Villain
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the equation shown is used in statistics to relate ( z ), the ( z )-sco…
\(m=x - zd\)
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headless horseman people have been telling stories about a headless hor…
1. D. marks left by an animal 2. A. They killed him and cut off his head. 3. B. is at least partly true based on known historical facts 4. C. describing a Texas ghost story based …
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headless horseman people have been telling stories about a headless hor…
1. D. marks left by an animal 2. A. They killed him and cut off his head. 3. B. is at least partly true based on known historical facts 4. C. describing a Texas ghost story based …
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exercise #18—misplaced words choose your words carefully. also pay atte…
1. Please give the desk with the thin legs to Ms. Benson. 2. When Mr. Frisbee went to investigate the claim, a dog bit him. 3. Never buy envelopes without a gummed flap from a dea…
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haunted hotel the united verde hospital was built in jerome, arizona, i…
1. B. The hotel is a fun place to visit. 2. C. The worker who became the most famous ghost was murdered. 3. B. no one was there. 4. C. there are still LOTS of haunted happenings a…
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10. frequency distribution and a frequency polygon. describe any patter…
| Class | Frequency | Mid - point | Relative Frequency | Cumulative Frequency | |---|---|---|---|---| | \(47 - 57\) | \(1\) | \(52\) | \(0.05\) | \(1\) | | \(58 - 68\) | \(1\) | \…
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the graph shows the relationship between the total cost and the number …
Seven erasers cost \(\$3.50\)
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ample (paragraph 23) your turn! write words that mean the same as or op…
- Synonym: Plentiful - Antonym: Scarce - Sentence: There is a plentiful supply of water in the lake.